Design and Analysis of a Pneumatic Spring Testing System for Precision Manufacturing

被引：8
|
作者：
Sun, Zhibo [1 ]
Xu, Shaofeng [2 ]
Cheng, Li [3 ]
Wang, Na [1 ]
Wang, Yixuan [1 ]
Tian, Minhui [4 ]
Zhang, Qingzhen [2 ]
机构：
[1] Beihang Univ, Engn Training Ctr, Beijing 102206, Peoples R China
[2] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China
[3] Peoples Liberat Army Gen Hosp, Serv Assurance Ctr, Financial Support Dept 1, Beijing 100853, Peoples R China
[4] Peoples Liberat Army Gen Hosp, Serv Support Ctr, Beijing 100853, Peoples R China
来源：
MATERIALS | 2022年 / 15卷 / 03期
关键词：
pneumatic spring; vibration isolation test; dynamic model; manufacturing; MODEL; VIBRATION; PARAMETERS; MECHANISM; FRICTION;
D O I：
10.3390/ma15031121
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The vibration isolation effect of the pneumatic spring determines the precision of the manufacturing. In this paper, in order to detect the performance of a pneumatic spring, a multi frequency band testing system with different payload is designed and developed. First, the pneumatic spring structure is analyzed, and the stiffness of the pneumatic spring is obtained based on the ideal gas model, Kelvin-Voigt model, and finite element method. Then, to verify the reliability of the system, a dynamic model of the vibration platform is established. Through an analysis of the simulation using the Simulink environment, critical parameters are determined, and the effective conditions of the vibration isolation are obtained. Based on the results from the simulation and experiment, the transmission rate is around 20% under 40 Hz vibration, and 12% under 100 Hz vibration. The pneumatic spring proves to be effective under vibrations beyond 7 H. This achievement will become an important basis for future research concerning precision manufacturing.
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收藏
页数：15
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